* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Baloo 2', cursive;
}

body {
    max-width: 600px;
    margin: 0px auto;
    padding: 0 20px;
    justify-content: center;
    background: #efefef;
}

h1, h2, h3 {
    text-align: center;
    padding: 10px;
}

p {
    margin: 10px 15px;
}

.volver {
    margin: 20px 0 80px 100px;
}

.cuadroindice {
    font-family: Cabin, Goldman;
    line-height: 180%; 
    /*border-style: solid;*/
    /*border-color: blue;*/
    border-width: 0px 0px 0px 10px;
    /*border: 2px solid darkblue;*/ 
    /*border-radius:20px;*/ 
    margin: 3px 15px; 
    padding: 0 15px;
    text-align: left;
}

.botonesenlinea {   /*no va botones en linea*/
    display: inline-block;
}